Defecation Syncope Secondary to Functional Inferior Vena Caval Obstruction During a Valsalva Maneuver
Brophy C, Evans L, Sumpio B. Defecation Syncope Secondary to Functional Inferior Vena Caval Obstruction During a Valsalva Maneuver. Annals Of Vascular Surgery 1993, 7: 374-377. PMID: 8268080, DOI: 10.1007/bf02002893.Peer-Reviewed Original ResearchConceptsValsalva maneuverDefecation syncopeInferior vena cava obstructionInferior vena caval obstructionPreoperative hemodynamic assessmentVena caval obstructionEffective surgical approachVena cava obstructionContinuous hemodynamic monitoringIVC obstructionCava obstructionCaval obstructionBlood pressureFunctional obstructionHemodynamic assessmentHemodynamic monitoringDiaphragmatic hiatusSurgical approachTransesophageal ultrasonographyFunctional disordersIVC patencyIntraoperative approachSurgical mobilizationObstructionExtensive mobilization